内蒙古农业大学林学院,呼和浩特,010018
[ "祁迷(1999-),男,在读硕士研究生,主要从事森林碳储量研究。E-mail:q18548710626@163.com" ]
纸质出版:2023
移动端阅览
祁迷, 王飞, 滑永春, 等. 基于PLUS与InVEST模型的内蒙古自治区土地利用变化及碳储量评估[J]. 水土保持学报, 2023,37(6):194-200.
QI Mi, WANG Fei, HUA Yongchun, et al. Assessment of Land Use Change and Carbon Storage in Inner Mongolia Autonomous Region Based on PLUS and InVEST Models[J]. 2023, 37(6): 194-200.
祁迷, 王飞, 滑永春, 等. 基于PLUS与InVEST模型的内蒙古自治区土地利用变化及碳储量评估[J]. 水土保持学报, 2023,37(6):194-200. DOI: 10.13870/j.cnki.stbcxb.2023.06.025.
QI Mi, WANG Fei, HUA Yongchun, et al. Assessment of Land Use Change and Carbon Storage in Inner Mongolia Autonomous Region Based on PLUS and InVEST Models[J]. 2023, 37(6): 194-200. DOI: 10.13870/j.cnki.stbcxb.2023.06.025.
为实现内蒙古自治区的"双碳"目标。根据内蒙古自治区2000年、2010年和2020年土地利用数据(LULC)
按照内蒙古自治区"十四五"政策规划
建立自然发展、耕地保护与生态保护3种情景
利用PLUS模型对内蒙古自治区2030年土地利用空间分布进行预测分析
并用InVEST模型对内蒙古自治区不同开发情景下碳储量的变化进行分析。结果表明:(1)2000-2020年间内蒙古地区林地与建设用地面积均有增加
耕地、水域、草地与未利用地面积均呈减少态势
且转移方向上主要表现为耕地转为建设用地。(2)自然发展状态下
草地、耕地、水域及未利用地呈下降趋势
林地及建设用地呈上升趋势;在生态保护状态下
林地、草地和水域面积均比自然开发情景有所增加;耕地保护情景下
耕地面积相较于自然发展情景呈扩张趋势
扩张面积达4.69×104 hm2。(3)2000年、2010年、2020年内蒙古地区碳储量分别达到1.371 7×1010
1.370 9×1010
1.370 6×1010 t
呈逐年减少趋势。2030年自然发展、耕地保护、生态保护3种情景下总碳储量分别为1.370 1×1010
1.370 6×1010
1.371 9×1010 t
耕地保护和生态保护相比较自然发展情景下碳储量更多
表明保护措施的实施
可有效地控制碳储量下降。实施耕地保护和生态保护政策以控制耕地扩展为建设用地和未利用地
改善土地利用结构有助于延缓区域碳储量流失。
In order to achieve the "Dual carbon" target of the Inner Mongolia Autonomous Region
based on the land use data (LULC) in 2000
2010 and 2020 and followed the 14th Five-Year Plan of Inner Mongolia Autonomous Region
three scenarios of natural development
cultivated land protection and ecological protection were established. The PLUS model was used to forecast and analyze the spatial distribution of land use in 2030 of Inner Mongolia Autonomous Region. The changes of carbon storage under different development scenarios in the Region were analyzed with the InVEST Model. The research results showed that: (1) The area of forest land and construction land in Inner Mongolia increased from 2000 to 2020
while the area of cultivated land
water area
grassland and unused land showed a downward trend
and the main transfer direction was from cultivated land to construction land. (2) Under the state of natural development
the area of cultivated land
grassland
water area
and unused land decreased
while the area of forest land and construction land showed an upward trend; under the state of ecological protection
the area of forest land
grassland
and water area increased compared with the natural development scenario; under the cultivated land protection scenario
the cultivated land area showed an expansion trend compared with the natural development scenario
and the expanded area reached 4.69×104 hm2. (3) In 2000
2010
and 2020
the carbon storage in Inner Mongolia reached 1.371 7×1010
1.370 9×1010 and 1.370 6×1010 t
respectively
showing a decreasing trend year by year. In 2030
the total carbon storage under the three scenarios of natural development
cultivated land protection and ecological protection was 1.370 1×1010
1.370 6×1010 and 1.371 9×1010 t
respectively. Compared with the natural development scenario
the carbon storage of cultivated land protection and ecological protection was larger
indicating that the implementation of protection measures could effectively control the decline of carbon storage. Therefore
the implementation of cultivated land protection and ecological protection policies could control the expansion of cultivated land into construction land and unused land
and improve the land use structure
and help to delay the loss of regional carbon storage.
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